#include<stdio.h>
void main(){
	int a=100,b=100,c;
	a++;
	++b;
	printf("a=%d,b=%d\n",a,b);
	c=a++;
	printf("c=%d,a=%d\n",c,a);
	c=++b;
	printf("c=%d,b=%d\n",c,b);
} 
